Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Hitachi — 44,478 Patents

Rank (All Time): #13 of 106,127Top 1%
28,566 inventors
44,478 Patents All Time

Top Inventors at Hitachi All Time

Showing 4,301–4,350 of 28,566 inventors

RankNamePatents
#4206 Kazumi Hatayama 10
#4206 Katsumi Hirezaki 10
#4206 Kazuhiro Ito 10
#4206 Kazutoshi Kaji 10
#4206 Kanehide Kenmizaki 10
#4206 Kazuhiro Kondo 10
#4206 Katsumi Matsubara 10
#4206 Kazumasa Matsubara 10
#4206 Kazuhisa Miyamoto 10
#4206 Kazuhiko Mizuno 10
#4206 Kazuo Muto 10
#4206 Kazuyuki Nagatsuma 10
#4206 Kazunori Nakajima 10
#4206 Kazuo Nishihama 10
#4206 Kazutoshi Ogawa 10
#4206 Kazuhiko Ono 10
#4206 Kazuo Ookado 10
#4206 Katsuaki Saito 10
#4206 Kazuhiro Sakata 10
#4206 Kazuo Sakurai 10
#4206 Kazuhisa Shiraishi 10
#4206 Kazuhisa Takami 10
#4206 Katsumi Taniguchi 10
#4206 Kazunori Uemura 10
#4206 Kazumoto Urata 10
#4206 Kazuhiko Watanabe 10
#4206 Kazusuke Yamanaka 10
#4206 Kenji Ajima 10
#4206 Keikichi Ando 10
#4206 Keisuke Fujito 10
#4206 Kenji Horii 10
#4206 Kentaro Kakui 10
#4206 Keiichi Kanehori 10
#4206 Kenji Kataoka 10
#4206 Kengo Kumano 10
#4206 Kenichi Nagashima 10
#4206 Kenji Oguma 10
#4206 Keizou Ohtsuka 10
#4206 Kentaro Oku 10
#4206 Kenichi Saito 10
#4206 Kenichi Shimooka 10
#4206 Kenji Tsuchita 10
#4206 Kiyoshi Amou 10
#4206 Kiyoshi Fujiwara 10
#4206 Kimihisa Furukawa 10
#4206 Kiyoshi Kawabata 10
#4206 Kiyoshi Kawamoto 10
#4206 Kiyoshi Matsui 10
#4206 Kimio Nishino 10
#4206 Kimitoshi Ohgiichi 10